API for filtering epics by open or closed
Follow up of https://gitlab.com/gitlab-org/gitlab-ee/issues/7340.
So when you query a list of epics, you can filter by open status and closed status of epics.
Follow up of https://gitlab.com/gitlab-org/gitlab-ee/issues/7340.
So when you query a list of epics, you can filter by open status and closed status of epics.